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Choosing between IP and analog security cameras is one of the first and hardest choices facing any prospective buyer of a CCTV system, whether it is for home surveillance or for monitoring a business. Both types of systems have advantages and disadvantages, and manufacturers don’t try to make it easy to decide between them. There is a lot of hype and marketing buzz right now because of the growth of the industry.
Both types of cameras work through the use of CCD and CMOS chips. These chips turn visible light (and in some cases infrared light) into a signal. Analog cameras turn this signal into something that a television can see, very much like a camcorder. IP based cameras do something a little more complicated. They take the information from the chip and feed the analog signal into an encoder. This encoder is combined with an onboard web server. This allows for the camera to become a network device. This allows it to be viewed by users over an existing or new network like a web page.
Analog cameras have been around since the 1970’s, starting out as vacuum tube based devices. Since then the cameras have gotten better and better. Improvements to resolutions have occurred every year. But the improvements go beyond increasing resolution. Auto-iris lens have made dealing with florescent lighting situations easier. Backlight controls have been introduced to help with bright lights coming into an area, like light streaming in through a window next to a door. Privacy masks built into PTZs can handle some of the concerns over misuse of CCTV cameras.
Analog cameras have a variety of ways of transmitting the signal, from wireless to coax, to Cat5 using different connector types. This makes long distance runs in the same building much easier since you can use the right and most cost effective cable for each run. The variety of cable types can be both confusing and useful at the same time. Cat5 works for very short runs that are less than 250 ft. Professional grade baluns can be run up to 2500 ft.
IP cameras grew from the humble web cameras. The idea behind them was to move some of intelligence from the DVR to the camera itself. Many of the current IP cameras have their own built in motion detection. This allows some cameras to record to SD cards inside the camera itself, offering a layer of redundancy. Other features include adding an analog output to the camera so that it can become a bridge between an analog system and an IP based system.
IP cameras can be connected to a network by either wireless transmissions or by Cat5. Through the use of switches/hubs/and routers the Cat5 can be extended almost indefinitely. The use of IP cameras can require the installation of new RJ-45 jacks. Existing jacks generally are not well placed to secure the camera’s connections. Some IP cameras are hybrid in nature, allowing for both network and analog connections. Toshiba’s line of IP cameras generally has this feature.
Analog Pros:
Cost: Analog cameras generally have a better price to performance ratio then IP.
Flexibility of design: There are many varies of camera types, from small covert cameras to large PTZs to indoor domes with IR. This can make fulfilling certain goals easier by using a camera designed for your needs.
Compatibility: Analog cameras put out either NTSC or PAL signals. In North America, almost any camera you buy will be NTSC. This makes it easy to use existing cameras, or mix and match vendors for equipment.
Maturity: Many of the teething problems have been worked out. Things like privacy masks (blacking out an area for privacy on a PTZ) and back light compensation exist from lesions learned in the past.
Analog Cons:
Analog cameras don’t have some of the features like built in digital zoom that IP have, except at the highest price points.
Wireless Analog cameras have problems with interference and are unencrypted. Anyone can view the signal.
Analog cameras can be harder to deal with over long distances.
IP Pros:
Better wireless support: Analog wireless has more problems with interference then network based cameras. The 802.11x standards have encryption built into them.
IP cameras can take advantage of already existing wiring.
Adding one or two cameras at a remote site can be easier.
IP Cons:
High bandwidth use: It varies by camera but 500kbps to 1.5 Mbps is a common range.
Cost: Because of the cost of the hardware that is moved onto the camera, IP cameras cost more then comparable analog cameras.
Vendor lock-in: Many third part applications support more then one type of camera but most vendors only support their cameras. Given that not all brands support all features, it can make selecting the right brand hard unless you turn to a third party.
It is important to assess your situation and evaluate both options, not only for your current needs, but for expansion possibilities in the future as well.
March 12th, 2010 in
Camera Articles | tags:
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Polaroid A801 8MP 4x Digital Zoom Camera (Silver) Review
Polaroid A801 8MP 4x Digital Zoom Camera (Silver) Feature
- Polaroid A801 8MP 4x Digital Zoom Camera General Features: Silver design One 2.5-inch CCD sensor
- 8.0 megapixel resolution 4x digital zoom 2.0-inchcolor TFT LCD
- JPEG (EXIF 2.2), DCF, DPOF, AVI image compression PictBridge compatible 16 MB built-in storage
- SD compatible for expanded memory (up to 2 GB maximum, not included) USB interface
- 0/+ 2.0EV exposure control in 0.3 increments
Polaroid A801 8MP 4x Digital Zoom Camera (Silver) Overview
Point and Shoot!This Polaroid A801 camera is the go anywhere digital camera. Featuring an 8 megapixel resolution, the A801 takes amazingly sharp, clear pictures yet fits into your shirt pocket. Take it with you to the ball game, vacation trips or more!With 16 MB built-in memory and an expandable Secure Digital slot (card sold seperately), you can shoot until your heart’s content!The included software makes it easy to share and print your digital memories!
* Polaroid A801 8MP 4x Digital Zoom Camera General Features: Silver design One 2.5-inch CCD sensor
* 8.0 megapixel resolution 4x digital zoom 2.0-inchcolor TFT LCD
* JPEG (EXIF 2.2), DCF, DPOF, AVI image compression PictBridge compatible 16 MB built-in storage
* SD compatible for expanded memory (up to 2 GB maximum, not included) USB interface
* 0/+ 2.0EV exposure control in 0.3 increments
*** Product Information and Prices Stored: Mar 11, 2010 03:58:59
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Since digital photography is becoming all the rage, and basically knocking out the existence of traditional film photography, more and more people are buying digital cameras. In fact, some people are already on their second and third one, either making a parallel purchase to something that they’ve become comfortable with, or they’re upgrading.
However, even though digital cameras are extremely popular, many people still aren’t confident when it comes to investing in their own. There’s a lot to know, especially when technical terms come flying out at you around each and every corner. So to make it a little bit easier on you, here are some helpful tips for buying your digital camera.
The first thing that you need to consider is your budget of course. Digital cameras range from about a hundred dollars all the way up to a few thousand… So, establishing a budget and working within it will save you a lot of time, and keep you from bouncing around trying to figure out which camera to buy.
Your next big consideration should be what the heck you plan to use your camera for. Are you a point and click type of person who simply wants a camera to do the job good enough? If so then you don’t need a huge elaborate set-up, with a ton of bells and whistles that you’ll never use. However, if you’re an avid photographer, or carry a lot of pride in the photographs that you shoot… then you’ll want something that’s a little bit more powerful, that has more megapixels, and probably a medium optical zoom range.
The basic types of cameras are ultra compact, compact, and SLR’s.
The ultra compact cameras are good if you want to just be able to take the darn digital camera with you and shoot things quickly and easily without a lot of fuss. They’re usually not the highest quality, but these days even the lowest quality digital cameras trump the cameras of just a few years ago… so you’re likely still going to be able to get a good shot even with an ultra compact camera.
Compact digital camera’s are usually a little bit bigger and carry a very good punch for their size. These are cameras that are still portable and convenient, but can and often have superior quality and produce photos that rival even the more professional SLR cameras out there – yet are a lot more automatic and easier to use. The price range of these cameras can be pretty wide depending on megapixel count as well as other features, but for the most part you’re likely going to be able to stay under the thousand dollar mark even for the best quality.
Now SLR’s are a whole different ballgame and generally more expensive. These are the digital cameras that the photography enthusiast or professional photographer would use, and often require a lot more knowledge of the photography craft if you’re going to get the most out of them. Depending on what quality and how many functions you’re after you should be ready to spend at least a thousand, on upwards to a few grand. The user has more manual control with these cameras and the pictures produced are often of higher quality and better resolution.
So again the two biggest deciding factors should be your price range and your purpose when buying a digital camera. If you’re not an ardent photographer then you’re certainly going to want a camera that’s a little bit more user-friendly of course.
When you’re investing good money on a digital camera you certainly want to be sure that it’s a durable camera that isn’t going to crumble with a few bumps and scrapes. Unless you hide it away in a closet and never let it surface for use, you’re likely going to have some sort of bump, bang, or drop.
These helpful tips for buying a digital camera obviously have not touched on each and every point there is to look for, but hopefully you have a much better idea of what you may be looking for when you’re ready to invest in your digital camera.
Brand New Casio Digital Camera & Camcorder Home Travel Charger with Car Adapter For NP-20 Battery Compatible w/ Models: Casio Exilim EX-M1 / EX-M2 / EX-S1 / EX-S2 / EX-S3 / EX-Z3 / EX-M20U / EX-S20U / EX-S100 / EX-S500EO / EX-S500GY / EX-S500WE / EX-Z4U / EX-S600 / EX-S600BE / EX-S600EO / EX-S600SR / EX-Z4U / EX-S600 / EX-S600BE / EX-S600EO / EX-S600SR / EX-S600d / EX-S770 / EX-S770BE / EX-S770RD / EX-S770SR / EX-Z60 / EX-Z60BK / EX-Z60SR / EX-Z70 / EX-Z70BK / EX-Z70SR Review
What a find! I ordered this for my husband’s Casio Exilim camera batteries, and he just loves it. The charger that came with the camera was defective. Two calls to Casio pointed the finger at the batteries, so I’m so glad I ignored their prognosis and ordered this charger. Absolutely recommend it, and the company from whom I ordered it. Very reasonable price for this product, and it arrived right on schedule.
Brand New Casio Digital Camera & Camcorder Home Travel Charger with Car Adapter For NP-20 Battery Compatible w/ Models: Casio Exilim EX-M1 / EX-M2 / EX-S1 / EX-S2 / EX-S3 / EX-Z3 / EX-M20U / EX-S20U / EX-S100 / EX-S500EO / EX-S500GY / EX-S500WE / EX-Z4U / EX-S600 / EX-S600BE / EX-S600EO / EX-S600SR / EX-Z4U / EX-S600 / EX-S600BE / EX-S600EO / EX-S600SR / EX-S600d / EX-S770 / EX-S770BE / EX-S770RD / EX-S770SR / EX-Z60 / EX-Z60BK / EX-Z60SR / EX-Z70 / EX-Z70BK / EX-Z70SR Feature
- Slim and portable design. Smart LED charging status indicator. Voltage: 100V – 240V. UL & CE listed
- AC/DC output for both home and travel use. Collapsible plug on the back of wall charger.
- Built in battery protection and fault detection. Car charger adapter included.
- High performance fully automatic charger designed to quickly and safely charge digital camera
- The charger is for charging battery only. It does not work as AC adapter for digital camera or camco
Brand New Casio Digital Camera & Camcorder Home Travel Charger with Car Adapter For NP-20 Battery Compatible w/ Models: Casio Exilim EX-M1 / EX-M2 / EX-S1 / EX-S2 / EX-S3 / EX-Z3 / EX-M20U / EX-S20U / EX-S100 / EX-S500EO / EX-S500GY / EX-S500WE / EX-Z4U / EX-S600 / EX-S600BE / EX-S600EO / EX-S600SR / EX-Z4U / EX-S600 / EX-S600BE / EX-S600EO / EX-S600SR / EX-S600d / EX-S770 / EX-S770BE / EX-S770RD / EX-S770SR / EX-Z60 / EX-Z60BK / EX-Z60SR / EX-Z70 / EX-Z70BK / EX-Z70SR Overview
Compatible Battery:Casio NP-20. Compatible Model: Casio Exilim EX-M1 / EX-M2 / EX-S1 / EX-S2 / EX-S3 / EX-Z3 / EX-M20U / EX-S20U / EX-S100 / EX-S500EO / EX-S500GY / EX-S500WE / EX-Z4U / EX-S600 / EX-S600BE / EX-S600EO / EX-S600SR / EX-Z4U / EX-S600 / EX-S600BE / EX-S600EO / EX-S600SR / EX-S600d / EX-S770 / EX-S770BE / EX-S770RD / EX-S770SR / EX-Z60 / EX-Z60BK / EX-Z60SR / EX-Z70 / EX-Z70BK / EX-Z70SR
*** Product Information and Prices Stored: Mar 11, 2010 03:56:09
March 11th, 2010 in
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DiCAPac WP-110 Underwater Housing Case for Nikon Coolpix S200, S210, S500, S550, S600, S610, S61c, S700, S710 Digital Cameras Review
DiCAPac WP-110 Underwater Housing Case for Nikon Coolpix S200, S210, S500, S550, S600, S610, S61c, S700, S710 Digital Cameras Feature
- Guaranteed underwater performance up to 16 ft. (5m) deep
- UV coated polycarbonate lens cover allows users to take crystal clear pictures
- Transparent and flexible case for convenient camera control
- Reliable sealing system with waterproof zipper and “Roll & Velcro” closure
- Meets JIS (Japan Industrial Standard) protection class 8 for waterproofing
DiCAPac WP-110 Underwater Housing Case for Nikon Coolpix S200, S210, S500, S550, S600, S610, S61c, S700, S710 Digital Cameras Overview
One of the few downsides to digital photography is the delicate nature of these advanced electronics. Water, dirt, dust and other environmental contaminants can wreak havoc with expensive gadgets, and often, outdoor adventures are never preserved in photos because our cameras simply can’t handle the exposure. Custom-fitted waterproof cases are available, but they are bulky, heavy and usually cost well over a hundred dollars. So how can the casual photographer keep their camera clean and safe without spending a fortune? The answer is the DiCAPac!
The DiCAPac WP-110 is an all-weather vinyl case for compact digital cameras that lays flat for storage and is totally waterproof up to 16 feet (5 meters) deep! Constructed from thick, high-grade vinyl with a UV-coated polycarbonate lens cover, the DiCAPac is designed to keep your camera clean and moisture-free in almost any environment. The patented “Roll & Velcro” zipper closure system provides two levels of protection to keep your case completely watertight, while the clear panels and flexible material allows you to maintain complete control over all your camera’s functions. Best of all, the DiCAPac is extremely lightweight and can be tucked away in a pocket, making it by far the most convenient option for complete all-weather protection for your digital camera, not to mention the most affordable!
Key Features:
♦ Guaranteed underwater performance up to 16 ft. (5m) deep
♦ UV coated polycarbonate lens cover allows users to take crystal clear pictures
♦ Transparent and flexible case for convenient camera control
♦ Reliable sealing system with waterproof zipper and “Roll & Velcro” closure
♦ Meets JIS (Japan Industrial Standard) protection class 8 for waterproofing
♦ Weighs only 60 grams and lays flat for super portability
♦ Dimensions (WxH): 14.5 x 9.5 cm (5.7 x 3.7 in.)
*** Product Information and Prices Stored: Mar 10, 2010 01:06:56
March 10th, 2010 in
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Image : http://www.flickr.com
In the past images were caught on paper or canvass but as the new millennium continues to provide us with resource issues, cameras have provided an avenue for quicker and less bulky means to capture the faces and places of our choice.
Film cameras have been a revolution unlike anything. It took years for it to be taken as something of an art as supposed to it being a technology that was supposed to stifle real art.
But as the monopoly of film cameras drew to a close there is a choice that present visual artists have to make. Are they willing to keep the old system and ignore the new or are they willing to risk compromise and use both.
There are so many who have stuck to what they know and love. They continue to speak of the longetivity of the film-based cameras that have given them so many great photographs. But with the discontinuation of production of parts and closing of repairs of these equipment, what would happen to the longetivity that they speak off?
Companies who created and patented these cameras are now pushing the sale of their new equipment. They are willing to forego the loyalty of both amateur and professional photographers who are wondering whether or not what they have would be useful for them in the future.
In the case of film-based cameras, it is still very much reliable to those whose knowledge of it is extensive. But for the newbies, digital versions of these SLR are the ones that are available for them to buy and learn how to use.
Film of course cost money and processing them have become a problem. Most printer shops are no longer catering to the film based processors. They digitize the film and then print them. This clouds and perhaps compromises the quality that was caught on film. Slowly but surely, the industry that once considered film as a major source of their profit has given it up to cameras that are more compact but altogether not as resilient as the older camera models.
Photography classes now have to give way to teaching digital photography simply because only serious hobbist now use film (and of course those whose generation were within the fame of film cameras). The quality of the cameras that were made them are relatively higher than the ones they have today. And the manufacturing of more compact cameras seem like a breeze and a great innovation but when one looks closely, the shell life of these equipment can be as easily compromised because of their size. One wrong move and the camera can be broken or shattered. The range of these cameras is also limited and the extensions are more expensive than they let on. So really, can they be any worse than choosing what you shoot to save film?
As the price and availability of film rise, there would be a lot of people who would be rejecting the notion of shelling out money to take a few pictures. But if you can see the picture fade well on your wall rather than be forgotten in a file folder somewhere in your computer, wouldn’t that be worth it?
2n1 – Neoprene (Black) Sleeve Case and NP-20 Battery for Casio Exilim EX-S600 6MP Digital Camera Blue Review
2n1 – Neoprene (Black) Sleeve Case and NP-20 Battery for Casio Exilim EX-S600 6MP Digital Camera Blue Feature
- Non-OEM Accessories for Casio Exilim EX-S600 6MP Digital Camera Blue
- Soft Sleeve Case Protects your Camera from Bumps, Shock and Scratches. (Camera NOT included)
- Made of Soft Neoprene Water Resistant Material. Durable Rubber Zippers.
- Extra Zipper Compartment for Small Accessories such as Memory Card and Flash Drive.
- x1 NP-20 680mAh Compatible Lithium Battery x1 rooCASE Sleeve Case
2n1 – Neoprene (Black) Sleeve Case and NP-20 Battery for Casio Exilim EX-S600 6MP Digital Camera Blue Overview
1 Year Warranty. Case Exterior: 5 x 3.6 x 0.78 inch
*** Product Information and Prices Stored: Mar 08, 2010 22:15:10
Image : http://www.flickr.com
If you don’t own a digital camera buy a digital camera now and throw the old camera for film out – or – better, try to sell it for the little money you might be able to get for it in time.
Digital cameras are becoming completely dominating the scene of photography – for good reasons. A digital camera is much cheaper to run because you don’t have expenses for buying film and development. You just have to pay for prints, whatever you are printing with your own photo printer or go to a photo shop or photo mail service.
Buy a good digital camera but not a digital camera that are too complicated or too high priced because the development of new digital cameras goes very fast. For every year you will get a better digital camera for less money.
I can hear you ask: Why then buy the camera now? Why not wait for another year for a better digital camera with more features and better performance?
My answer is, and I am sure other professionals will join me when I answer, that the medium priced digital cameras are already of a quality and standard that are more than enough for the serious general photographer. The medium priced digital cameras are offering a picture quality that matches the professional digital cameras for a few years ago for a tenth of the price or less.
The file size is determined partly by the number of pixels produced by the photo sensitive chip in the digital camera. 5 so-called Mega pixels will do well for most family use. Many good digital cameras of even medium price offer much more than that. You can find reviews of some of the best digital cameras at dpreview.com
One of the most versatile aspects of the digital camera is the ability to show the new picture just after it is taken. In that way you are always in command of what you get, as it costs you nothing to take a new picture with a digital camera. Yes, in fact you can take 100 digital pictures with your new camera and delete the 99 picture files and just keep one – hopefully a super good digital picture.
The digital camera uses a memory card to keep the digital files. There are different sizes and types. The so-called compact flash card (CF card) is very common. A CF card of 1 GB (gigabyte) will hold many hundreds of digital pictures, depending on the file size you are using. You can choose between having one very big flash card or a few of lesser size.
Personally I like to have a number of flash cards (I have to use CF cards for my Canon digital cameras) as I feel I am distributing the risk if something goes wrong with a card.
Reality is that flash cards are much more robust than old-fashioned fill rolls. But the flash cards are also tiny and I am afraid of dropping the card.
Jump to your camera dealer in the street or find an online-camera dealer and order a nice digital camera for your photographic enjoyment the next years.
3.1MP (Interpolation Option) Digital Mini Video Camcorder Camera with 1.44″ Display Review
3.1MP (Interpolation Option) Digital Mini Video Camcorder Camera with 1.44″ Display Feature
- Powered by 3 AAA batteries (not included)
- 3.1 Megapixel (Interpolation Option); 1.3MP Image Sensor
- Small, handy size travels easily: 9.5 x 5.7 x 4cm (3.7 x 2.2 x 1.5in)
- Package includes camcorder, AV cable, USB cable, software CD, manual, and travel bag
- Image format: JPEG, Video format: AVI
3.1MP (Interpolation Option) Digital Mini Video Camcorder Camera with 1.44″ Display Overview
This is a perfect gift to give early this holiday season– record your memories all throughout the holidays this year!
Uses SD or MMC cards, 32MB to 8GB. (No internal memory built in).
Image Resolution: 2048 x 1536, 1280 x 1024, 640 x 480.
Video Resolution: 640 x 480, 320 x 240 (15-30 frames/sec)
Photograph mode: single-shot, three-shot continual, and 10-second delay shot
Modes: Audio only, Video & Audio Recording, Video Playback
External Memory: up to 8 Gig SD or MMC card
Lens: 1.3M optical lens with far/near focus
Focus: 0.5m to infinity
Viewfinder: 1.44″ TFT LCD Display
White Balance: auto, daylight, cloudy, fluorescent, tungsten
Image File Format: JPEG, AVI
Computer Interface: USB 2.0
Power Source: 3 x AAA batteries (not included), or USB 5V DC(USB cable included)
Flash Mode: automatic white light LED compensation
Power Control: manual closure, automatic closure (1, 3, or 5-minute)
Digital Zoom: 4X Digital zoom
TV Out Function: PAL, NTSC
EV: +/- 2.0EV
PCCAM cam / MSDC mobile disk
Package includes: camcorder, bag, user guide, driver CD, USB cable, AV cable.
System Requirements for software:
–Windows ME, 2000, XP, Vista32, 7 (32 bit)
–166MHz or higher CPU
–RAM: at least 128MB
–Sound/Video Support: DirectX 8 or higher
*** Product Information and Prices Stored: Mar 06, 2010 16:41:01
Image : http://www.flickr.com
Film cameras are becoming rare. Although digital cameras have come a long way since they were first introduced there are still photographers that prefer to use old film cameras. Some of them use film exclusively while others prefer film for specific scenarios.
There is no simple answer to the question which camera is better, film or digital. In some scenarios film is better than digital and in other scenarios digital is better than film. They both have advantages and disadvantages and the true answer to which is better is simply a list of differences. Here are a few:
The sensor: In film cameras a light sensitive film is situated behind the lens. To take a photo the shutter opens for a predetermined period of time and light hits the film “printing” a photo on the film. After a photo is taken the film is rolled and a fresh film is placed behind the lens. In digital cameras an electronic sensor (known as CCD) is situated behind the lens. The CCD is comprised of many tiny light sensitive sensors one per pixel. To take a photo the shutter opens for a predetermined period of time and light hits the sensor. Each pixel gets its value and together all the pixels comprise one photo. The photo is saved on a digital media and the CCD is electronically emptied.
The main difference between a CCD sensor and a film is the Depth of Field. Since digital sensors are smaller than 35mm film the depth of field is much bigger in fact in most compact digital cameras it is almost infinite.
Instant feedback: One of great features digital cameras is instant feedback. Digital cameras include a small LCD screen. After a photo is shot it can be viewed on that screen. If the photo is not good you can take another one. The ability to view the photos helps in making an educated decision on how to fix it or how to compose it better. It takes much of the guessing out of photography.
Photo capacity: Digital cameras today can hold hundreds and even thousands of digital photos on a single media. With extra storage media in your pocket digital cameras have virtually infinite capacity. On the other hand film cameras’ capacity is very limited. The standard is a roll of 36 photos which can hold only 36 photos. After such a roll is used changing to a new roll takes time and is not easy to do in scenarios such as darkness or a harsh environment. Rolls of film are not small and carrying rolls equivalent of thousands of photos is not practical.
Shooting angles: Digital cameras allow you to take photos without having your eye glued to the viewfinder. Combined with the virtually zero cost of taking photos and high capacity this means new opportunities for new shooting angles.
A photo cost: Photos taken with a digital camera really cost nothing. They are saved on erasable memory and thus can always be freely discarded. The photos that you decide to keep can be copied to digital media such as a computer’s hard disk. With low digital storage prices the cost of storing one photo is practically zero. Film does cost money. A roll of film costs money and can not be reused. Every time that the shutter button is pressed money is spent regardless if you later on decide to discard them.
Photo processing: Digital cameras photos are basically computer files and can be manipulated by computer software. Such software is known as photo processing software and allows you to correct photos and create special effects. Some photo processing abilities are built-in cameras. With film on the other hand it is very hard to make corrections. If corrections are absolutely needed the easiest way to do them is to scan the negative or the printed photo (i.e. converted to digital) and process it on a computer as if it was a digital camera photo.
Adapting to different conditions: Rolls of film are designed for specific scenarios There are indoor and outdoor films or films with different light sensitivity. When conditions change a film camera photographer will have to shoot with the wrong film, change the roll (and lose the remainder photos) or use another camera with a different roll in it. Shooting photos with the wrong roll of film can result in distorted colors (reddish photos for example), a grainy photo and more.
With digital cameras on the other hand the characteristics of the sensor can be electronically set. With a click of a button the camera can change to indoor or outdoor mode, low light, night photography and son on.